US4189444AExpiredUtility
Process for the preparation of N,N'-disubstituted 2-naphthaleneethanimidamide and intermediates used therein
Est. expiryJul 3, 1998(expired)· nominal 20-yr term from priority
36
PatentIndex Score
1
Cited by
1
References
4
Claims
Abstract
N,N→-disubstituted 2-naphthaleneethanimidamide is prepared by the conversion of a nitrile into the novel imido ester salt intermediate by alcoholysis followed by treatment of the intermediate with an alkylamine to give the product.
Claims
exact text as granted — not AI-modifiedWe claim:
1. A compound of the general formula ##STR4## wherein R 1 and R 2 independently represent halo, a lower alkyl of from one to about three carbon atoms, or a lower alkoxy of from one to about three carbon atoms; m and n independently represent the integer 0 or 1; R 3 represents a lower alkyl of from one to about three carbon atoms; and X represents a halide.
2. The compound of claim 1 wherein n and m are both 0.
3. The compound of claim 1 wherein R 1 is in the 1, 3 or 4 position, n is 1, and m is 0.
4. The compound of claim 3 wherein R 1 is 1-chloro.Join the waitlist — get patent alerts
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